why use GANGDU automatic doors.
1st, safety operation and goods quality. over 15 years experience manufacturing.
2nd, has
all function built-in control device. no need other access control, such as access control system,expand
board,electric lock,
remote control, and so on.Do you noticed that our lock is different with any others.
Our lock is to lock tension pulley
device. Not to lock door leaf. This is our original creation; creative
Remote control device built-in ,with all function